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Posted to hdfs-issues@hadoop.apache.org by "John Zhuge (JIRA)" <ji...@apache.org> on 2016/04/15 02:03:25 UTC

[jira] [Created] (HDFS-10295) Balancer configures DN properties directly on-demand

John Zhuge created HDFS-10295:
---------------------------------

             Summary: Balancer configures DN properties directly on-demand
                 Key: HDFS-10295
                 URL: https://issues.apache.org/jira/browse/HDFS-10295
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: 2.7.0
            Reporter: John Zhuge
            Assignee: John Zhuge


This is a further enhancement to HDFS-10294. Instead of using NN APIs, use new DN APIs to query and set necessary properties on the DNs involved.

Details:
* Before each balancing iteration, set the properties on all DNs involved in the current iteration.
* Need new DN APIs to query and set the balancing properties.



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